Different hypotheses about the role of genes in the development of bipolar disorder have been proposed. One theory says the risk for bipolar disorder is due to a few susceptibility genes; another says that many susceptibility genes contribute modestly to the risk for disease.
Dermatophytosis is an infection of the hair, skin, or nails caused by a dermatophyte, which is most commonly of the Trichophyton genus and less commonly of the Microsporum or Epidermophyton genera.Tinea capitis, tinea pedis, and onychomycosis are common dermatologic diseases that may result from such an infection.ermatophytosis is an infection of the hair, skin, or nails caused by a dermatophyte, which is most commonly of the Trichophyton genus and less commonly of the Microsporum or Epidermophyton genera.
Although most annular lesions will be typical of a dermatophytosis, physicians must consider other possible diagnoses. Tinea corporis can often be diagnosed on the basis of a positive potassium hydroxide examination. Topical and systemic antifungals are usually curative. Pityriasis rosea is characterized by small, fawn-colored lesions distributed along skin cleavage lines. Treatment is symptomatic.